(*Mandatory fields)*Name*Email Address (must be valid to post review)
* Value Rating
(worth your money)
* Overall Rating
(money doesn't matter)
* How long have you used the product?    * Style that best describes you?

* What is the product model year?

* Review Summary

Characters Left

Product Image
Sony MDR RF-4000K
0 Reviews
rating  0 of 5
MSRP  169.99
Description: Differences in details 40mm drivers deliver deeper bass, lower distortion and wider dynamic range. Battery life for extended viewing The supplied rechargeable NiMH battery lets you enjoy up to eight hours of continuous on a single charge1. The slim, folding design fits snugly into the charger (included). Substituting a single AAA battery for the rechargeable NiMH pack provides 10 hours of power. Listen from a distance Radio Frequency (RF) transmission sends signals from the transmitter to the headphones, allowing high fidelity sound reproduction. You can enjoy the accompanying reception range ??? up to 100 feet ??? even when you move outside the line of sight of the transmission. Stay comfortable as long as you listen A wide, self-adjusting headband distributes the headphone's weight over a wide area, reducing pressure and improving comfort.Footnotes: 1. Actual battery life may vary based on product settings, usage patterns and environmental conditions.


   No Reviews Found.